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Archduke Franz Ferdinand was assassinated by the Serbian national group called the black hand. This is important because this is the event that started WW1.
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The battle of tannennurg is important because it was the first battle of world war 1
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As the first battle of marne begins so does trench warefare, this is important because soldiers can now hid from incoming fire
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During the second battle of Ypres the Germans start using gases. This is importatn because gases were big in world war one and they are starting to use them.
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Italy switches sides and could possibly be the reason why we won the war.
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This battle was the longest in WW1 and the bloodiest
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during the battle of somme tanks are introduced. Tanks played a big part because they could go acrossed trenches and were heavy weapons.
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The united states entered the war by declaring war on Germany. and is deffinatly the reason we won the war.
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The red baron is shot down, he was know to be one tf the best pilot ever.
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This treaty ment the end of WW1
